[ubuntu] access to second disk sdb

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ok, I got the additional SATA cables and hooked up the second disk. got it formatted and created a partition -- type EXT4 -- which it selected apparently as the default.
now I can get it mounted but what do i do to grant permissions on it ?
I see the device is mounted and owned by /media/ -- which is owned by root.
so a SUDO command is going to be needed,--
can I sudo mkdir and then sudo chomod permission on that directory ? if i sudo mkdir the new directory will be owned by root still,-- i think
(Hardware)

Stories similar to [ubuntu] access to second disk sdb

Situation:
Group A requires access to /path/to/dir/foo to upload files through ssh or ftp, but the directory in question: /path/to/dir/foo is owned by group B (if you'd like: /path is recursively owned by B), which should stay this way, for security reasons.

My attempt for a solution:
I create a symbolic link to /home/A, which A owns.